Willfun Hand Exerciser Balls Forearm Trainer Grip Strengthener Wrist Exercise Pro AutoStart Gyroscope Balls with LED…

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Easy to Use—Auto start design,No string and NO batteries needed,don’t need to worry about losing string anymore;Just use your fingers get the gyro ball start
Small,Compact and Portable—You can get a challenging, strengthening workout with this hand exerciser ball anytime, anywhere, even on your lunch break
With Counter and Led Lights—Led lights will add more fun when you are exercising your grip strength,the counter can help you build a plan for your daily hand exercise
Strengthening Your Grips, Wrists, and Forearms—Use of this spinner gyro ball requires you to grip it strongly and rotate your hands quicly to maintain or increase spin,you’ll feel the burn in just a minute of spinning
Suitable for Different People—Gyro ball is great for pre-show warm-up,and it is also great for fitness or relax